Statewide Rankings

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Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Montana

Average Temperature Rankings, September 1950

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1950 1-Month	52.7°F (11.5°C)	53.8°F (12.1°C)	-1.1°F (-0.6°C)	36th Coolest	Coolest since: 1945	1965
	52.7°F (11.5°C)	53.8°F (12.1°C)	-1.1°F (-0.6°C)	93rd Warmest	Warmest since: 1949	1998
	Ties: 1982
Aug–Sep 1950 2-Month	57.1°F (13.9°C)	58.9°F (14.9°C)	-1.8°F (-1.0°C)	21st Coolest	Coolest since: 1928	1965
	57.1°F (13.9°C)	58.9°F (14.9°C)	-1.8°F (-1.0°C)	108th Warmest	Warmest since: 1949	2022
	Ties: 1900
Jul–Sep 1950 3-Month	58.9°F (14.9°C)	61.2°F (16.2°C)	-2.3°F (-1.3°C)	11th Coolest	Coolest since: 1915	1912
	58.9°F (14.9°C)	61.2°F (16.2°C)	-2.3°F (-1.3°C)	118th Warmest	Warmest since: 1949	2022
	Ties: 1986
Jun–Sep 1950 4-Month	58.1°F (14.5°C)	60.4°F (15.8°C)	-2.3°F (-1.3°C)	9th Coolest	Coolest since: 1915	1993
Jun–Sep 1950 4-Month	58.1°F (14.5°C)	60.4°F (15.8°C)	-2.3°F (-1.3°C)	120th Warmest	Warmest since: 1949	2021
May–Sep 1950 5-Month	55.8°F (13.2°C)	58.4°F (14.7°C)	-2.6°F (-1.5°C)	6th Coolest	Coolest since: 1915	1907
May–Sep 1950 5-Month	55.8°F (13.2°C)	58.4°F (14.7°C)	-2.6°F (-1.5°C)	123rd Warmest	Warmest since: 1949	1936
Apr–Sep 1950 6-Month	52.7°F (11.5°C)	55.5°F (13.1°C)	-2.8°F (-1.6°C)	2nd Coolest	Coolest since: 1907	1907
Apr–Sep 1950 6-Month	52.7°F (11.5°C)	55.5°F (13.1°C)	-2.8°F (-1.6°C)	127th Warmest	Warmest since: 1949	1936
Mar–Sep 1950 7-Month	48.6°F (9.2°C)	51.7°F (10.9°C)	-3.1°F (-1.7°C)	5th Coolest	Coolest since: 1912	1965
Mar–Sep 1950 7-Month	48.6°F (9.2°C)	51.7°F (10.9°C)	-3.1°F (-1.7°C)	124th Warmest	Warmest since: 1949	2012
Feb–Sep 1950 8-Month	45.5°F (7.5°C)	47.9°F (8.8°C)	-2.4°F (-1.3°C)	11th Coolest	Coolest since: 1917	1899
Feb–Sep 1950 8-Month	45.5°F (7.5°C)	47.9°F (8.8°C)	-2.4°F (-1.3°C)	118th Warmest	Warmest since: 1949	2012, 2016
Jan–Sep 1950 9-Month	40.2°F (4.6°C)	44.4°F (6.9°C)	-4.2°F (-2.3°C)	2nd Coolest	Coolest since: 1899	1899
Jan–Sep 1950 9-Month	40.2°F (4.6°C)	44.4°F (6.9°C)	-4.2°F (-2.3°C)	127th Warmest	Warmest since: 1949	2012
Dec 1949–Sep 1950 10-Month	37.8°F (3.2°C)	42.1°F (5.6°C)	-4.3°F (-2.4°C)	1st Coolest	Coolest since: 1950	1950
Dec 1949–Sep 1950 10-Month	37.8°F (3.2°C)	42.1°F (5.6°C)	-4.3°F (-2.4°C)	127th Warmest	Warmest since: 1949	2012
Nov 1949–Sep 1950 11-Month	37.9°F (3.3°C)	40.9°F (4.9°C)	-3.0°F (-1.6°C)	7th Coolest	Coolest since: 1917	1899
Nov 1949–Sep 1950 11-Month	37.9°F (3.3°C)	40.9°F (4.9°C)	-3.0°F (-1.6°C)	121st Warmest	Warmest since: 1949	2012
Oct 1949–Sep 1950 12-Month	38.0°F (3.3°C)	41.1°F (5.1°C)	-3.1°F (-1.8°C)	4th Coolest	Coolest since: 1917	1899
Oct 1949–Sep 1950 12-Month	38.0°F (3.3°C)	41.1°F (5.1°C)	-3.1°F (-1.8°C)	124th Warmest	Warmest since: 1949	2012
Apr 1949–Sep 1950 18-Month	44.4°F (6.9°C)	45.9°F (7.7°C)	-1.5°F (-0.8°C)	14th Coolest	Coolest since: 1929	1917
Apr 1949–Sep 1950 18-Month	44.4°F (6.9°C)	45.9°F (7.7°C)	-1.5°F (-0.8°C)	114th Warmest	Warmest since: 1949	2016
Oct 1948–Sep 1950 24-Month	38.7°F (3.7°C)	41.2°F (5.1°C)	-2.5°F (-1.4°C)	4th Coolest	Coolest since: 1917	1917
Oct 1948–Sep 1950 24-Month	38.7°F (3.7°C)	41.2°F (5.1°C)	-2.5°F (-1.4°C)	123rd Warmest	Warmest since: 1949	2016
Oct 1947–Sep 1950 36-Month	39.6°F (4.2°C)	41.1°F (5.1°C)	-1.5°F (-0.9°C)	7th Coolest	Coolest since: 1929	1951
	39.6°F (4.2°C)	41.1°F (5.1°C)	-1.5°F (-0.9°C)	119th Warmest	Warmest since: 1949	2017
	Ties: 1929
Oct 1946–Sep 1950 48-Month	39.7°F (4.3°C)	41.1°F (5.1°C)	-1.4°F (-0.8°C)	5th Coolest	Coolest since: 1918	1952
	39.7°F (4.3°C)	41.1°F (5.1°C)	-1.4°F (-0.8°C)	120th Warmest	Warmest since: 1949	2007, 2017, 2018
	Ties: 1917, 1953
Oct 1945–Sep 1950 60-Month	40.2°F (4.6°C)	41.0°F (5.0°C)	-0.8°F (-0.4°C)	12th Coolest	Coolest since: 1920	1952
	40.2°F (4.6°C)	41.0°F (5.0°C)	-0.8°F (-0.4°C)	112th Warmest	Warmest since: 1949	2016
	Ties: 1901, 1903, 1919, 1954

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings